{
  "annotation_id": "4a884e6e-9a78-4b4b-b602-a01000444986",
  "date_created": "2026-03-02T18:00:32.296000Z",
  "date_modified": "2026-03-02T18:00:32.296000Z",
  "file_hash": "eee7af490c7959a4a77c73ef3fd607db2d516f86b0c228eecb91b940a8095495",
  "private": false,
  "record": {
    "abstract": "We propose a four-level model where sub-Doppler resolution as well as\nenhanced absorption of a weak probe field are realized by using two coherently\ndriving fields. We show that spectral resolution can be improved by modifying\nthe coherent fields intensity and frequencies.",
    "arxiv_id": "physics/0005060",
    "authors": [
      "Po Dong",
      "A. K. Popov",
      "Tang Sing Hai",
      "Jin-Yue Gao"
    ],
    "categories": [
      "physics.optics",
      "physics.atom-ph",
      "quant-ph"
    ],
    "doi": "10.1016/S0030-4018(00)01162-7",
    "journal_ref": "Optics Communications v. 188 (2001) 99-109",
    "title": "Sub-Doppler resolution with double coherently driving fields",
    "url": "https://arxiv.org/abs/physics/0005060"
  },
  "schema_id": "dorsal/arxiv",
  "source": {
    "execution_id": "0e25608d-47f1-44fd-a908-490228a180cc",
    "id": "arXiv Dataset IDs",
    "type": "Model",
    "variant": "snapshot-2026-03-01",
    "version": "0.1.0"
  },
  "user_id": 1000002
}